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Last 7 Days of Cap Messages from the Alaska Volcano Observatory
Updated: 4 hours 12 min ago

Weekly Update issued Nov 20, 2009 12:00 Volcano Alert Level NORMAL - Aviation Color Code GREEN

Fri, 11/20/2009 - 17:00
No eruptive activity has been detected at volcanoes in Alaska this week. Because there are no volcanoes at elevated color codes or alert levels, AVO has suspended its daily reporting procedures and is not issuing its usual daily status reports.

Aniakchak VAN/VONA issued Nov 17, 2009 11:33 Volcano Alert Level UNASSIGNED - Aviation Color Code UNASSIGNED

Fri, 11/20/2009 - 17:00
AVO can no longer seismically monitor the following volcanoes because of seismic station outages. As a result, AVO is unable to (1) assess whether these volcanoes may be building towards an eruption and (2) quickly confirm or dismiss reports of activity at these volcanoes. Veniaminof Aniakchak Fourpeaked Korovin Because these volcanoes are no longer seismically monitored, they will move from volcano alert level Normal and aviation color code Green ...

Fourpeaked VAN/VONA issued Nov 17, 2009 11:32 Volcano Alert Level UNASSIGNED - Aviation Color Code UNASSIGNED

Fri, 11/20/2009 - 17:00
AVO can no longer seismically monitor the following volcanoes because of seismic station outages. As a result, AVO is unable to (1) assess whether these volcanoes may be building towards an eruption and (2) quickly confirm or dismiss reports of activity at these volcanoes. Veniaminof Aniakchak Fourpeaked Korovin Because these volcanoes are no longer seismically monitored, they will move from volcano alert level Normal and aviation color code Green ...

Korovin VAN/VONA issued Nov 17, 2009 11:32 Volcano Alert Level UNASSIGNED - Aviation Color Code UNASSIGNED

Fri, 11/20/2009 - 17:00
AVO can no longer seismically monitor the following volcanoes because of seismic station outages. As a result, AVO is unable to (1) assess whether these volcanoes may be building towards an eruption and (2) quickly confirm or dismiss reports of activity at these volcanoes. Veniaminof Aniakchak Fourpeaked Korovin Because these volcanoes are no longer seismically monitored, they will move from volcano alert level Normal and aviation color code Green ...

Veniaminof VAN/VONA issued Nov 17, 2009 11:31 Volcano Alert Level UNASSIGNED - Aviation Color Code UNASSIGNED

Fri, 11/20/2009 - 17:00
AVO can no longer seismically monitor the following volcanoes because of seismic station outages. As a result, AVO is unable to (1) assess whether these volcanoes may be building towards an eruption and (2) quickly confirm or dismiss reports of activity at these volcanoes. Veniaminof Aniakchak Fourpeaked Korovin Because these volcanoes are no longer seismically monitored, they will move from volcano alert level Normal and aviation color code Green ...

Information Statement issued Nov 17, 2009 11:20 Volcano Alert Level NORMAL - Aviation Color Code GREEN

Fri, 11/20/2009 - 17:00
AVO can no longer seismically monitor the following volcanoes because of seismic station outages. As a result, AVO is unable to (1) assess whether these volcanoes may be building towards an eruption and (2) quickly confirm or dismiss reports of activity at these volcanoes.

Weekly Update issued Nov 13, 2009 12:00 Volcano Alert Level NORMAL - Aviation Color Code GREEN

Fri, 11/20/2009 - 17:00
No eruptive activity has been detected at volcanoes in Alaska this week. Because there are no volcanoes at elevated color codes or alert levels, AVO has suspended its daily reporting procedures and is not issuing its usual daily status reports.

Weekly Update issued Nov 6, 2009 13:56 Volcano Alert Level NORMAL - Aviation Color Code GREEN

Fri, 11/13/2009 - 18:00
No eruptive activity has been detected at volcanoes in Alaska this week. Because there are no volcanoes at elevated color codes or alert levels, AVO has suspended its daily reporting procedures and is not issuing its usual daily status reports.

Weekly Update issued Oct 30, 2009 12:56 Volcano Alert Level NORMAL - Aviation Color Code GREEN

Fri, 11/06/2009 - 19:00
No eruptive activity has been detected at volcanoes in Alaska this week. Because there are no volcanoes at elevated color codes or alert levels, AVO has suspended its daily reporting procedures and is not issuing its usual daily status reports.

Weekly Update issued Oct 23, 2009 13:04 Volcano Alert Level NORMAL - Aviation Color Code GREEN

Fri, 10/30/2009 - 17:00
On Monday, the Alaska Volcano Observatory downgraded Shishaldin Volcano to aviation color code GREEN and alert level NORMAL. Recent clear satellite views of Shishaldin show no activity at the volcano, with the last thermal anomaly observed on August 16. While seismicity remains variable, it is still within background levels for this volcano. In addition, Cleveland Volcano was lowered to aviation code and alert level UNASSIGNED. No eruptive activity has been observed at Cleveland since ...

Status Report issued Oct 20, 2009 13:42 Volcano Alert Level NORMAL - Aviation Color Code GREEN

Fri, 10/23/2009 - 17:00
No Alaska volcanoes are currently at elevated Aviation Color Code or Volcano Alert Level. Daily Status Reports will be discontinued after today until the situation changes. The status of Alaska volcanoes will continue to be reported in the Weekly Updates.

Cleveland VAN/VONA issued Oct 19, 2009 11:47 Volcano Alert Level UNASSIGNED - Aviation Color Code UNASSIGNED

Fri, 10/23/2009 - 17:00
No eruptive activity has been observed at Cleveland since the brief eruption at approximately 2330 AKDT October 2 (0730 UTC October 3), and recent clear nighttime satellite views showed no signs of activity. Therefore, AVO is reducing the Aviation Color Code to UNASSIGNED and the Volcano Alert Level to UNASSIGNED. The lack of a real-time seismic network at Cleveland means that AVO is unable to track local earthquake activity related to volcanic unrest. Unrest at Cleveland is frequent, and ...

Shishaldin VAN/VONA issued Oct 19, 2009 11:45 Volcano Alert Level NORMAL - Aviation Color Code GREEN

Fri, 10/23/2009 - 17:00
Recent clear satellite views of Shishaldin show no activity at the volcano, with the last thermal anomaly observed on August 16. While seismicity remains variable, it is still within background levels for this volcano. Shishaldin has had intermittent periods of unrest since January 2009, typically accompanied by thermal anomalies and increased steam emissions. The apparent waning of this activity over the past two months prompts AVO to reduce the Aviation Color Code to GREEN and the Volcano ...

Cleveland Status Report issued Oct 18, 2009 11:33 Volcano Alert Level ADVISORY - Aviation Color Code YELLOW

Fri, 10/23/2009 - 17:00
No eruptive activity has been observed at Cleveland since the brief eruption at approximately 2330 AKDT October 2 (0730 UTC October 3). Recent clear nighttime satellite views of Cleveland showed no signs of activity. The lack of a real-time seismic network at Cleveland means that AVO is unable to track local earthquake activity related to volcanic unrest. Short-lived explosions with ash plumes that could exceed 20,000 ft above sea level can occur without warning and may go undetected on ...

Shishaldin Status Report issued Oct 18, 2009 11:33 Volcano Alert Level ADVISORY - Aviation Color Code YELLOW

Fri, 10/23/2009 - 17:00
Seismic activity at Shishaldin remains low. The Webcam has been inoperable since October 10, and recent satellite views have been mostly obscured by clouds.

Cleveland Status Report issued Oct 17, 2009 11:45 Volcano Alert Level ADVISORY - Aviation Color Code YELLOW

Fri, 10/23/2009 - 17:00
No eruptive activity has been observed at Cleveland since the brief eruption at approximately 2330 AKDT October 2 (0730 UTC October 3). Recent clear nighttime satellite views of Cleveland showed no signs of activity. The lack of a real-time seismic network at Cleveland means that AVO is unable to track local earthquake activity related to volcanic unrest. Short-lived explosions with ash plumes that could exceed 20,000 ft above sea level can occur without warning and may go undetected on ...

Shishaldin Status Report issued Oct 17, 2009 11:45 Volcano Alert Level ADVISORY - Aviation Color Code YELLOW

Fri, 10/23/2009 - 17:00
Seismic activity at Shishaldin remains low. The Webcam has been inoperable since October 10, and recent satellite views have been mostly obscured by clouds.

Cleveland Weekly Update issued Oct 16, 2009 12:06 Volcano Alert Level ADVISORY - Aviation Color Code YELLOW

Fri, 10/23/2009 - 17:00
No eruptive activity has been observed at Cleveland since the brief eruption at approximately 2330 AKDT October 2 (0730 UTC October 3). Although mostly obscured by clouds this week, clear nighttime satellite views of Cleveland on October 14 showed no signs of activity. The lack of a real-time seismic network at Cleveland means that AVO is unable to track local earthquake activity related to volcanic unrest. Short-lived explosions with ash plumes that could exceed 20,000 ft above sea level ...

Shishaldin Weekly Update issued Oct 16, 2009 12:06 Volcano Alert Level ADVISORY - Aviation Color Code YELLOW

Fri, 10/23/2009 - 17:00
Seismic activity at Shishaldin remains low. The Webcam has been inoperable since October 10, and satellite views this week have been mostly obscured by clouds.

Cleveland Status Report issued Oct 15, 2009 12:01 Volcano Alert Level ADVISORY - Aviation Color Code YELLOW

Thu, 10/22/2009 - 13:00
Clear nighttime satellite views of Cleveland in the last 24 hours show no signs of activity. No additional eruptive activity has been observed at Cleveland since the brief eruption at approximately 2330 AKDT October 2 (0730 UTC October 3). The lack of a real-time seismic network at Cleveland means that AVO is unable to track local earthquake activity related to volcanic unrest. Short-lived explosions with ash plumes that could exceed 20,000 ft above sea level can occur without warning and ...



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